diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ca405017..8c70bc75 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,9 @@
 image: barichello/godot-ci:mono-4.4
 
+workflow:
+  rules:
+    - if: $CI_COMMIT_BRANCH == 'master'
+
 # NOTE: If your `project.godot` is at the repository root, set `PROJECT_PATH` below to ".".
 
 # Cache imported assets between runs